Michigan State Climatologist’s Office

All Michigan Climate Maps

Average Temperature - Departure from Mean

Average Temperature - Departure from Mean in Michigan, September 13, 2026 to October 12, 2026. Regional color-band values and the legend are below.
September 13, 2026 to October 12, 2026

Regional text values

September 13, 2026 to October 12, 2026

Western Upper Peninsula: the most frequent sampled color represents 1 to 2 degrees F. Central Upper Peninsula: the most frequent sampled color represents -1 to 1 degrees F. Eastern Upper Peninsula: the most frequent sampled color represents 1 to 2 degrees F. Northern Lower Peninsula: the most frequent sampled color represents 1 to 2 degrees F. Central Lower Peninsula: the most frequent sampled color represents -1 to 1 degrees F. Thumb: the most frequent sampled color represents -1 to 1 degrees F. Southern Lower Peninsula: the most frequent sampled color represents 1 to 2 degrees F.

Legend boundaries (degrees F): -2, -1, 0, 1, 2, 4, 6.

Approximate color-band samples from seven Michigan regions in this exact map image. These are not station measurements, regional averages, or full-region minima and maxima. Shared colors span multiple legend intervals; those intervals are combined. The underlying gridded numbers are not supplied with the image.

Midwestern Regional Climate Center · PRISM Weather Data. Generated Tue Oct 13, 2026 20:20:47 EDT.

Updated .

Sampled map color bands (degrees F)
Michigan regionMost frequent sampled bandAll sampled bands
Western Upper Peninsula1 to 2-1 to 1, 1 to 2, 2 to 4
Central Upper Peninsula-1 to 1-1 to 1, 1 to 2, 2 to 4
Eastern Upper Peninsula1 to 2-1 to 1, 1 to 2, 2 to 4
Northern Lower Peninsula1 to 2-1 to 1, 1 to 2, 2 to 4
Central Lower Peninsula-1 to 1-1 to 1, 1 to 2, 2 to 4
Thumb-1 to 1-1 to 1, 1 to 2
Southern Lower Peninsula1 to 2-1 to 1, 1 to 2, 2 to 4

Download regional map samples (CSV)

All Michigan Climate Maps